The model should be able to handle the slave zones okay. It looks at the relative flow rates (from sizes of air terminals) between the controlling zone and the slave zones on the air handler and then scales up the loads as if all the slave zones had the same load as the controlling zone.
A work around to get better control is to thermally couple the slave zones and the control zone using balanced pairs of ZoneMixing objects with relatively high flow rates.
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of luke_dorna
Sent: Monday, January 23, 2012 1:05 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Multiple Zones for Single Heat Pump
I am currently using the the AirLoopHVAC:UnitaryHeatPump:WaterToAir object to model distributed heat pumps throughout a building. Unfortunately, the object only allows for a single controlling thermostat, but the design calls for heat pumps that serve multiple rooms.
Has anyone encountered/found a way around this?
I've tried attaching reheat VAVs to the different zones but didn't have much luck.
Thanks,
Luke
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